Reciprocal effects of latent inhibition between taste and visual cues in guinea pigs and quail.

Martin, Gerard M. (1974) Reciprocal effects of latent inhibition between taste and visual cues in guinea pigs and quail. Masters thesis, Memorial University of Newfoundland.

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Abstract

This investigation was designed to determine whether or not guinea pigs and quail associated a familiar stimulus from the more salient modality with sickness. The investigation was also designed to determine whether or not increased familiarity with the more salient stimulus influenced the aversion quail and guinea pigs formed to a less salient stimulus. The animals were either familiarized or not familiarized with an experimental cue from the more salient modality; blue water for the quail and saccharin water for the guinea pigs. On the Training Day each animal was permitted access to the experimental cue along with a novel stimulus from the same modality or from a different modality; NaCl water or red water for guinea pigs and red water or HCl water for quail. The animals were then injected with a poison or neutral solution. The animals' aversion to the solutions was determined after their recovery from the injection. -- Guinea pigs did not form an aversion to familiar saccharin water, the more salient cue, but did form an aversion to a novel saccharin solution. Furthermore, quail did not form an aversion to familiar blue water, the more salient cue, but did form an aversion to a novel blue solution. The data also indicated that guinea pigs did not associate red water, the less salient cue, with sickness while familiar or novel saccharin water was present. They did, however, associate red water with sickness if tap water flavor was the only cue available from the more salient modality. Similar data collected from quail indicated that they did not associate HCl water with sickness while familiar or novel blue water was present. However, they did associate HCl water with sickness if the tap water color was the only cue available from the more salient modality.

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